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C++ Mathematical Expression Library (ExprTk) https://www.partow.net/programming/exprtk/index.html

This commit is contained in:
Arash Partow 2016-09-27 23:20:31 +10:00
parent 9cd9e02570
commit 1a27b9e394
2 changed files with 18 additions and 18 deletions
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2
exprtk_simple_example_11.cpp
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@ -30,7 +30,7 @@ void square_wave2()
std::string wave_program = std::string wave_program =
" var r := 0; " " var r := 0; "
" for(var i := 0; i < 1000; i += 1) " " for (var i := 0; i < 1000; i += 1) "
" { " " { "
" r += (1 / (2i + 1)) * sin((4i + 2) * pi * f * t); " " r += (1 / (2i + 1)) * sin((4i + 2) * pi * f * t); "
" }; " " }; "

34
exprtk_simple_example_12.cpp
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@ -29,23 +29,23 @@ void bubble_sort()
typedef exprtk::parser<T> parser_t; typedef exprtk::parser<T> parser_t;
std::string bubblesort_program = std::string bubblesort_program =
" var upper_bound := v[]; " " var upper_bound := v[]; "
" var swapped := false; " " var swapped := false; "
" repeat " " repeat "
" swapped := false; " " swapped := false; "
" for(var i := 0; i < upper_bound; i += 1) " " for (var i := 0; i < upper_bound; i += 1) "
" { " " { "
" for(var j := i + 1; j < upper_bound; j += 1) " " for (var j := i + 1; j < upper_bound; j += 1) "
" { " " { "
" if (v[i] > v[j]) " " if (v[i] > v[j]) "
" { " " { "
" v[i] <=> v[j]; " " v[i] <=> v[j]; "
" swapped := true; " " swapped := true; "
" }; " " }; "
" }; " " }; "
" }; " " }; "
" upper_bound -= 1; " " upper_bound -= 1; "
" until (not(swapped) or (upper_bound == 0)); "; " until (not(swapped) or (upper_bound == 0)); ";
T v[] = { T(2.2), T(1.1), T(5.5), T(4.4), T(3.3) }; T v[] = { T(2.2), T(1.1), T(5.5), T(4.4), T(3.3) };